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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>P64 【例3-9】demo09.html</title>
</head>

<body>
    <script>
        var arr = ['sky', 'wind', 'snow', 'sun'];
        arr.splice(2, 2);
        console.log(arr);
        arr.splice(1, 1, 'snow');
        console.log(arr);
        arr.splice(4, 0, 'hail', 'sun');
        console.log(arr);
        arr.splice(3, 0, ['lala', 'yaya'], null, undefined, []);
        console.log(arr);
    </script>
    <a href="../首页/page03.html">
        <h2>返回上一页面</h2>
    </a>
</body>

</html>